Radiological assessment of Abu-Tartur phosphate, Western Desert Egypt

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Abstract

The contents of natural radionuclides (226Ra, 232Th and 40K) were measured in sedimentary phosphate rock samples (Abu-Tartur phosphate, Western Desert Egypt) by using gamma spectrometry (NaI (Tl) 3" × 3"). Phosphate and environmental samples were collected from Abu-Tartur phosphate mine and the surrounding region. The results are discussed and compared with the levels in phosphate rocks from different countries. The activities of 226Ra, 232Th series and 40K are between (14.9 ± 0.8 and 302.4 ± 15.2), (2.6 ± 1.0 and 154.9 ± 7.8) and (10.0 ± 0.5 and 368.4 ± 18.4) Bq kg-1, respectively. The Abu-Tartur phosphate deposit was found to have lower activity than many others exploited phosphate sedimentary deposits, with its average total annual dose being only 114.6 μSv y-1. This value is about 11.46% of the 1.0 mSv y-1 recommended by the International Commission on Radiological Protection (ICRP-60, 1990) as the maximum annual dose to members of the public.

Original languageEnglish
Pages (from-to)228-235
Number of pages8
JournalRadiation Protection Dosimetry
Volume130
Issue number2
DOIs
StatePublished - 2008
Externally publishedYes

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